Secondary active transport of glucose:Na^+ requires glucose moving down its gradient ATP glucose moving against its gradient to be antiporter Diffusion down an electrochemical gradient does not occur in Ion channels primary active transport facilitated diffusion ionophore mediated transport The maintenance of low sodium concentration within the epithelial cell is done by Na^+ K^+ ATPose Na^+ glucose symporter Glut 2 Na^+ channel If insulin is released from the pancreas, the glucose K_t must be 1.4 mM 3 mM less than 5 mM more than 5 mM The most ubiquitous glucose transporter in humans is GLUT 1 2 3 4 The GLUT transporter with the largest Kt is GLUT 1 2 3 4 An ionophore is a carbohydrate (sugar) hydrophilic outside polar inside a large aminoacid The role of ionophores in bacteria is to change concentration gradient break the membrane change ion gradient break the ion channels The chloride:bicarbonate transporter in red cells is an example of a uniporter symporter antiporter dual ion channel Based on its reaction with CO_2 carbonic anhydrase can be considered a isomerase lyase hydrolase hydrolase-lyase The aminoacid that gets phosphorylated by ATP in Ca^2+ ATPase is Asn Asp Tyr His Solution 6 a)1 7 b) polar interior 8 a) change in concentration gradients 9 symport 10 c)hydrolyase 11 b) Asp Glucose transporter 2 (GLUT2) :it is a transmembrane bearer protein that empowers protein encouraged glucose development crosswise over cell films. It is the important transporter for exchange of glucose amongst liver and blood, and has a part in renal glucose reabsorption. It is likewise fit for transporting fructose - - ==================================== An ionophore is a concoction animal varieties that reversibly ties ions. Many ionophores are lipid-solvent elements that vehicle particles over a cell film. Ionophore signifies \"particle transporter\" as these mixes catalyze particle transport crosswise over hydrophobic layers, for example, fluid polymeric films (bearer based particle particular anodes) or lipid bilayers found in the living cells or manufactured vesicles (liposomes)[.Some ionophores are blended by microorganisms to import particles into their cells. Manufactured particle transporters have additionally been readied. Ionophores particular for cations and anions have discovered numerous applications in investigation 6 a)1 7 b) polar interior 8 a) change in concentration gradients 9 symport 10 c)hydrolyase 11 b) Asp.